Home / 18,888,977.10-28,340,464.05-18,189,137.10

Finding the Fourth Proportional to 18,888,977.10, 28,340,464.05 and 18,189,137.10

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Solution

The fourth proportional to 18,888,977.10, 28,340,464.05 and 18,189,137.10 is: 27,290,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,977.10 : 28,340,464.05 = 18,189,137.10 : x
  2. Step 2: Convert to fraction form
    18,888,977.10/28,340,464.05 = 18,189,137.10/x
  3. Step 3: Cross multiply
    18,888,977.10x = 28,340,464.05 × 18,189,137.10
  4. Step 4: Simplify right side
    18,888,977.10x = 515,488,586,083,071.31
  5. Step 5: Solve for x
    x = 515,488,586,083,071.31/18,888,977.10
  6. Step 6: Final answer
    x = 27,290,444.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.